From: Gerald Carter <jerry@samba.org>
Date: Fri, 24 Feb 2006 17:53:25 +0000 (+0000)
Subject: r13677: patch from Max N. Boyarov <m.boyarov@sam-solutions.net>
X-Git-Tag: samba-4.0.0alpha6~801^2~9041
X-Git-Url: http://git.samba.org/?p=samba.git;a=commitdiff_plain;h=b84c86f7c99ee8671d134f792b1dbbfe89ca368f

r13677: patch from Max N. Boyarov <m.boyarov@sam-solutions.net>
Prevent div/0 when sysconf(_SC_NPROCESSORS_ONLN) fails.
(This used to be commit 9a335255529d0e93dabbb6b0910f10fa162f9d4a)
---

diff --git a/examples/perfcounter/perf_writer.c b/examples/perfcounter/perf_writer.c
index 04127f5621f..00e47bdabaf 100644
--- a/examples/perfcounter/perf_writer.c
+++ b/examples/perfcounter/perf_writer.c
@@ -26,7 +26,7 @@ sig_atomic_t keep_running = TRUE;
 /* allocates memory and gets numCPUs, total memory, and PerfFreq, number of disks... */
 void get_constants(PERF_DATA_BLOCK *data)
 {
-    data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN);
+    data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN) > 0 ? sysconf(_SC_NPROCESSORS_ONLN) : 1;
     data->PerfFreq = sysconf(_SC_CLK_TCK);
     init_mem_data(data);
     init_cpu_data(data);